/*
 * Copyright 2008 Max Kugland
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.splink.library.queue {
	import org.splink.library.queue.IQ;

	/**
	 * @inheritDoc
	 * 
	 * @author Max Kugland
	 */
	internal class QDecorator extends QableDecorator implements IQDecorator {
		private var _wrappedIQ : IQ;

		/**
		 * @param q the <code>IQ</code> which is to be decorated
		 */
		public function QDecorator(q : IQ) {
			super(q);
			_wrappedIQ = q;
		}

		/**
		 * @inheritDoc
		 */
		public function add(item : IQable) : IQable {
			return _wrappedIQ.add(item);
		}

		/**
		 * @inheritDoc
		 */
		public function remove(item : IQable) : IQable {
			return _wrappedIQ.remove(item);
		}

		/**
		 * @inheritDoc
		 */
		public function getForId(id : String) : IQable {
			return _wrappedIQ.getForId(id);
		}
		
		/**
		 * @inheritDoc
		 */
		public function getAt(index : uint) : IQable {
			return _wrappedIQ.getAt(index);
		}

		/**
		 * @inheritDoc
		 */
		public function get length() : int {
			return _wrappedIQ.length;
		}
		
		/**
		 * @inheritDoc
		 */
		public function get current() : IQable {
			return _wrappedIQ.current;
		}

		/**
		 * @inheritDoc
		 */
		override public function finalize() : void {
			super.finalize();
			_wrappedIQ = null;
		}
	}
}
